@article{ref1,
title="Penetrating stab wounds of the heart--experience with 23 cases",
journal="South African journal of surgery",
year="1973",
author="Thaning, N. O. and Hinder, R. A.",
volume="11",
number="4",
pages="209-212",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0038-2361",
doi="",
url="http://dx.doi.org/"
}